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Question- A 100.0mL aliquot of 0.100 M weak base (pKb=5.00) was titrated with 1.00 M HClO4. Find the pH after 11.9mL is added.
Explain your strategy for completing your task, defining your rationale as relevant.
the R isomer of limonene has an optical rotation, alpha,of +123 degrees the S isomer has an optical rotation, alpha, of -123 degrees. IF the observed rotation of a mixture of the R and S isomer resulted in a alpha of 109 degrees
What volume to the nearest 0.1 mL of 4.50-M NaOH must be added to 0.400 L of 0.150-M HNO2 to prepare a pH = 3.20 buffer
The electrode acts as the anode, and the electrode acts as the cathode. To maintain electric neutrality, you add a salt bridge separating the two half-cells. What is the net cell reaction for the chromium-silver voltaic cell?
A soft drink contains 39mg of sodium in 286g of .H2O What is the concentration of sodium in the soft drink in mass percent
Calculate the molar mass (in units of g/mol) of the solute . Kf of water is 1.86 C/m?
write a balanced chemical equation for the reaction that occures in the experiment (B) Give the net ionic equation for this reaction
Propose a reasonable reaction mechanism for the sodium hypochlorite oxidation of 3-heptanol. Give the IUPAC name of the expected product. What other oxidizing agents may be used to carry out this oxidation
For the subsequent reaction, compute the DEo' and the DGo'. The value of a Faraday is 23.06 kcal/volt/mol. Define equations,
When 0.549 moles of a certain gas fill a balloon the volume is 75 mL. If enough of the same gas is added to the balloon until 1.44 moles of gas are present, what is the new volume of the balloon?
The molar solubility of lead(II) iodate in water is 4.0 ? 10-5 mol/L. Calculate Ksp for lead(II) iodate
consider c7h16 l 11 o2 g rarr 7 co2 g 8 h2o l deltahreaction- 4130 kj. how much energy is released when 4.000 moles
What volume of the HN3(aq) made in part b is needed to add to 100.0 mL of the NaN3(aq) solution of made in part a to make a buffer at pH= 5.00
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